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Person Albert Einstein
Asked 9 times across 4 UPSC exams over 37 years (1984–2021), peaking in 2021.
Key insights
- Most tested in CSE — 3 of 9 PYQs
- Most asked in 2021
- Recurs across 8 years (1984–2021)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 1984 → EPFO 2015 → CAPF 2016 → NDA 2021
How the concept evolved
Rising — more than half its appearances (6 of 9) are since 2016.
Related concepts
Ideas UPSC tests alongside this one — keep exploring.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
NDA2021
Nuclear energy is generated by
- A nuclear fission and its expression was proposed by Einstein. ✓
- B nuclear fission and its expression was proposed by Rutherford.
- C nuclear fission and its expression was proposed by Bohr.
- D nuclear fission and its expression was proposed by Heisenberg.
✓ Correct answer: (A)
Science & Technology › Energy & Nuclear
NDA2021
Which of the following pairs of physical phenomenon and the discoverer is/are correctly matched ?
- James Chadwick : Photoelectric effect
- Albert Einstein : Neutron
- Marie Curie : Radium
Select the correct answer using the code given below :
- A 1, 2 and 3
- B 1 and 2 only
- C 2 and 3 only
- D 3 only ✓
✓ Correct answer: (D)
Science & Technology › Physics & Chemistry
CAPF2020
Which one of the following statements on photoelectric effect is NOT correct?
- A Albert Einstein received the Nobel Prize in Physics for explaining photoelectric effect
- B For each metal, there is a threshold frequency, below which this effect is not observed
- C At a frequency v > v0, the kinetic energy of ejected electrons does not change on increasing the frequency of incident light ✓
- D The number of electrons ejected is proportional to the intensity of incident light
✓ Correct answer: (C)
Science & Technology › Physics & Chemistry
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